Home / 127,103.52-175,423.84-70,533.12

Finding the Fourth Proportional to 127,103.52, 175,423.84 and 70,533.12

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Solution

The fourth proportional to 127,103.52, 175,423.84 and 70,533.12 is: 97,347.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,103.52 : 175,423.84 = 70,533.12 : x
  2. Step 2: Convert to fraction form
    127,103.52/175,423.84 = 70,533.12/x
  3. Step 3: Cross multiply
    127,103.52x = 175,423.84 × 70,533.12
  4. Step 4: Simplify right side
    127,103.52x = 12,373,190,757.58
  5. Step 5: Solve for x
    x = 12,373,190,757.58/127,103.52
  6. Step 6: Final answer
    x = 97,347.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.